diff options
| -rw-r--r-- | arch/arm/boot/dts/st/stm32mp157c-ev1.dts | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/st/stm32mp157c-ev1.dts b/arch/arm/boot/dts/st/stm32mp157c-ev1.dts index 4e46d58bf61f..99c7efd73aee 100644 --- a/arch/arm/boot/dts/st/stm32mp157c-ev1.dts +++ b/arch/arm/boot/dts/st/stm32mp157c-ev1.dts @@ -86,6 +86,14 @@ pinctrl-names = "default", "sleep"; pinctrl-0 = <&dcmi_pins_a>; pinctrl-1 = <&dcmi_sleep_pins_a>; + /* + * Enable DMA-MDMA chaining by adding a SRAM pool and + * a MDMA channel + */ + sram = <&dcmi_pool>; + + dmas = <&dmamux1 75 0x400 0x01>, <&mdma1 0 0x3 0x1200000a 0 0>; + dma-names = "tx", "mdma_tx"; port { dcmi_0: endpoint { @@ -302,6 +310,13 @@ status = "disabled"; }; +&sram4 { + dcmi_pool: dcmi-sram@0 { + reg = <0x0 0x8000>; + pool; + }; +}; + &timers2 { /* spare dmas for other usage (un-delete to enable pwm capture) */ /delete-property/dmas; |